Towel bar



FIG. 1 is a perspective view of a towel bar showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top side view thereof, the opposite side being a mirror image of the side shown;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a first end view thereof, the opposite end being a mirror image of the side shown.

The broken line showing in the figures is included for the purpose of illustrating portions of the towel bar and form no part of the claimed design. 

CLAIM The ornamental design for a towel bar, as shown and described. 